The United States openly tracks thousands of nuclear warheads, yet a small number have slipped permanently out of reach. Yes, ...

Satellite images suggest China is growing the sites where it makes warheads, while also preparing to retaliate faster — signs ...

China is estimated to have more than 600 nuclear warheads, a figure the U.S. predicts will exceed 1,000 by the end of the decade.

The reported claims that "Japan should possess nuclear weapons" by a senior government official, who advises Japanese Prime ...

An innovative algorithm for detecting collisions of high-speed particles within nuclear fusion reactors has been developed, inspired by technologies used to determine whether bullets hit targets in ...

Iran’s nuclear chief said on Thursday that Western powers’ core dispute with the Islamic Republic is not nuclear weapons but ...

A nuclear-powered submarine was one item on a wish list of sophisticated weaponry that Kim Jong-un announced during a ...

Editor’s note: “Behind the News” is the product of Sun staff assisted by the Sun’s AI lab, which includes a variety of tools such as Anthropic’s Claude, Perplexity AI, Google Gemini and ChatGPT. On ...

The assassination effort, known as Operation Narnia, formed part of a wider 12-day assault referred to by Israeli officials as Operation Rising Lion ...

North Korea state media photos showed a largely completed nuclear-powered submarine hull as leader Kim Jong Un condemned ...